Invalid IAM Instance Profile name. Launching EC2 instance failed.

[farhanfaiz05]

Receiving the below error intermittently (tried 5 times,got error 1 time) when running terraform code

waiting for Auto Scaling Group (blu****-m****--workers20230601115340628700000021) capacity satisfied: 1 error occurred: Scaling activity (a05621db-3a62-56b5-a136-d05fb7b7a8f6): Failed: Value (blu*-ma***20230601115339288600000017) for parameter iamInstanceProfile.name is invalid. Invalid IAM Instance Profile name. Launching EC2 instance failed.

This is my terraform code

module "key-pair" { source = "terraform-aws-modules/key-pair/aws" version = "2.0.0"

create = true

private_key_algorithm = "ED25519" key_name = "eks-${var.cluster_name}-${var.environment}" create_private_key = true

tags = { Environment = var.environment Description = "Key pair associated with ${var.cluster_name}-${var.environment} cluster" } }

module "eks" { source = "terraform-aws-modules/eks/aws" version = "17.24.0" cluster_name = "${var.cluster_name}-${var.environment}" cluster_version = var.cluster_version subnets = var.private_subnets write_kubeconfig = var.write_kubeconfig manage_aws_auth = var.manage_aws_auth map_users = local.user_map_obj enable_irsa = true vpc_id = var.vpc_id tags = { # "alpha.eksctl.io/cluster-oidc-enabled" = true Environment = var.environment }

workers_group_defaults = { root_volume_type = "gp2" }

workers_additional_policies = [ "arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryPowerUser", ]

worker_groups_launch_template = [ { name = "app-workers" key_name = "eks-${var.cluster_name}-${var.environment}" instance_type = var.worker_group_1_instance_type asg_min_size = 0 asg_desired_capacity = var.worker_group_1_desired asg_max_size = var.worker_group_1_desired autoscaling_enabled = true asg_force_delete = true enable_monitoring = false enabled_metrics = ["GroupMinSize", "GroupMaxSize", "GroupDesiredCapacity"] kubelet_extra_args = "--node-labels=role=apps" additional_userdata = "" suspended_processes = ["AZRebalance"] additional_security_group_ids = [var.additional_security_group_ids]

  tags = [
    {
      "key"                 = "k8s.io/cluster-autoscaler/enabled"
      "propagate_at_launch" = "true"
      "value"               = "true"
    },
    {
      "key"                 = "k8s.io/cluster-autoscaler/${var.cluster_name}"
      "propagate_at_launch" = "true"
      "value"               = "true"
    }
  ]
},
{
  name                          = "Loki-workers"
  key_name                      = "eks-${var.cluster_name}-${var.environment}"
  instance_type                 = var.worker_group_4_instance_type
  asg_min_size                  = 0
  asg_desired_capacity          = var.worker_group_4_desired
  asg_max_size                  = var.worker_group_4_desired
  autoscaling_enabled           = true
  asg_force_delete              = true
  enable_monitoring             = false
  enabled_metrics               = ["GroupMinSize", "GroupMaxSize", "GroupDesiredCapacity"]
  kubelet_extra_args            = "--node-labels=role=loki"
  additional_userdata           = ""
  suspended_processes           = ["AZRebalance"]
  additional_security_group_ids = [var.additional_security_group_ids]

  tags = [
    {
      "key"                 = "k8s.io/cluster-autoscaler/enabled"
      "propagate_at_launch" = "true"
      "value"               = "true"
    },
    {
      "key"                 = "k8s.io/cluster-autoscaler/${var.cluster_name}"
      "propagate_at_launch" = "true"
      "value"               = "true"
    }
  ]
}

] }